The Middle Atlantic SS Sliding Shelf is a durable and reliable wall mount rack unit with a weight capacity of 50lb. It is designed to hold one rack unit height (1U) and has a rack unit width of 17.48 inches. This new in box product from Middle Atlantic Products is perfect for organizing and storing servers, networking equipment, and other electronics in a dense and efficient manner. Its sturdy construction and sliding design make it easy to access and manage equipment while maintaining a neat and clutter-free setup. Unit shown is lightly used, unit you will receive is still brand new in box.